>>lField3Exist = .F.
>>
>>TEXT TO lcText TEXTMERGE NOSHOW PRETEXT 15
>>  INSERT INTO MYTABLE (FIELD1, FIELD2 <<IIF(lField3Exist, ", Field3", "")>>) 
>>  		VALUE (?MYTABLE.FIELD1, ?MYTABLE.FIELD2 <<IIF(lField3Exist, ", ?MYTABLE.FIELD3", "")>>)
>>ENDTEXT
>>